package itheima;

public class Demo1 {
    public static void main(String[] args) {
        while (true) {
            int week = 3;
            switch (week) {
            case 1:
                System.out.println("爬山");
                break;
            case 2:
                System.out.println("游泳");
                break;
            case 3:
                System.out.println("再见");
                return;
        }
    }
}
}
